Andrew Cormack PhD, FSA, FRHistS enjoyed a career in the curatorial aspects of military museums, briefly at the Imperial War Museum and for almost thirty-six years at the Royal Air Force Museum, Hendon, from which he retired as Keeper of Fine Arts, Medals and Uniforms in December 2014. This experience of museum work and his knowledge of military portraits, uniforms and related subjects has led to consultancy work for the major auction houses and various art dealers.

He has served on the Council of the Society for Army Historical Research continuously since 1989 and has been Public Relations Officer, Chairman of the Templer Medal Book prize sub-committee and, since 2008 the Editor of the Society's Journal. He has written extensively for the Journal, and occasionally for other publications, mostly on eighteenth-century subjects. In 2001 the Army Records Society published the Journal of Corporal William Todd, 1745 - 1763 edited by him in association with Alan Jones.

He was made a Fellow of the Society of Antiquaries in 2005 and of the Royal Historical Society in 2014. He was awarded a doctorate in 2016 for a dissertation on the Chelsea Out-Pensioners, an expanded and enhanced treatment of which was published by the author in September 2017 under the title "These Meritorious Objects of the Royal Bounty" The Chelsea Out-Pensioners in the Early Eighteenth Century. It was called in for the 2017 Society for Army Historical Research Templer Medal book competition, and was awarded the Joint Second Prize.